page_title: Oldsmobile 98
section_title: Ninth generation (1971–1976)
hierarchical_section_title: Oldsmobile 98 / Ninth generation (1971–1976)
caption_attribution_description: Oldsmobile 98 photographed in Montreal, Quebec, Canada at Déjuner sur l'herbe 2010.
context_page_description: The Oldsmobile 98 is the full-size flagship model of Oldsmobile that was produced from 1940 until 1996. The name — reflecting a "Series 90" fitted with an 8-cylinder engine — first appeared in 1941 and was used again after American consumer automobile production resumed post-World War II. It was, as it would remain, the division's top-of-the-line model, with lesser Oldsmobiles having lower numbers such as the A-body 66 and 68, and the B-body 76 and 78. The Series 60 was retired in 1949, the same year the Oldsmobile 78 was replaced by the 88. The Oldsmobile 76 was retired after 1950. This left the two remaining number-names to carry on into the 1990s as the bread and butter of the full-size Oldsmobile lineup until the Eighty Eight-based Regency replaced the 98 in 1997.
  Occasionally additional nomenclature was used with the name, such as L/S and Holiday, and the 98 Regency badge would become increasingly common in the later years of the model. The 98 shared its General Motors C-body platform with Buick and Cadillac.
context_section_description: Oldsmobile built its biggest full-size car in 1971 although wheelbase was unchanged from 1970. The Ninety-Eights were the roomiest Oldsmobiles ever built thanks to the new GM full-size bodies which, at 64.3" front shoulder room and 63.4" rear shoulder room, set a record for interior width that would not be matched by any car until the full-size GM rear-wheel drive models of the early to mid-1990s. The 1971 through 1976 Ninety-Eight was very similar to the Oldsmobile 88 (which by now was called the "Delta 88") except the Ninety-Eight had a longer passenger compartment owing to its 3" longer wheelbase, and had rear Cadillac-esque tailfins to better differentiate between the two full-size models.
  The standard 455 cubic-inch Rocket V8 was rated at 320 hp (239 kW) and designed to run on lower octane regular lead, low-lead or unleaded gasoline for the first time this year thanks to a General Motors-mandate that all engines be designed to run on such fuels in preparation for the catalytic converter equipped cars of 1975 and later years that absolutely required unleaded gasoline. Despite this, a few 1975 and 1976 Ninety Eights were released from this catalytic converter requirement in Canada and were given certification along with exemption from requiring unleaded gasoline. V8s were progressively detuned as production wore on in line with tighter emission standards. Trunk mounted louvers for the flow through ventilation system were only found on 1971 models (as in many other GM models of 1971). The louvers were moved to the doorjambs for 1972-1976 models. From 1971 to 1976, Oldsmobile's full-sized Custom Cruiser station wagon shared the 127.0-inch (3,230 mm) wheelbase and 455 cubic-inch V8 with the Oldsmobile Ninety-Eight, and shared its interior and exterior styling, in particular the Ninety-Eight's distinctive front fascia and rear quarter panels complete with fender skirts.
  The number of body styles was reduced to four for 1971. The convertible was gone as were the 4-door sedan body styles. A new body style was the Luxury Coupe. For the first time ever all Oldsmobile Ninety-Eights were now hardtops, and for the first time since 1964 not all hardtops were called Holidays. Standard equipment included armrests, front and rear, power brakes with front discs, electric clock, carpeting, inside hood release, lamp package, power seat, power steering and Turbo-Hydramatic transmission. Standard tire size was J78-15. Interiors were vinyl, cloth and leather. Ninety-Eights were built in both Linden and Lansing.
  Four body styles were offered in the Ninety-Eight series for 1972. Standard equipment included: Deluxe armrests, dual ashtrays, power brakes with front discs, electric clock, carpeting, interior hood release, remote control outside mirror, molding package, interior light package, windshield radio antenna, power seat, power steering, spare tire cover and Turbo-Hydramatic transmission. A midyear version of the 4-door hardtop named the Regency was produced to commemorate Oldsmobile's 75th year as an automaker. For the first time in 17 years the Ninety-Eight set a new sales record of 121,568.
  In 1973 a five body style Ninety-Eight series was at the top end of the Oldsmobile line. The 75th anniversary Regency 4-door hardtop continued, following its successful mid-1972 introduction. Standard equipment included: Deluxe armrests, dual ashtrays, power brakes with front discs, cigarette lighter, carpeting, inside hood release, dome light, molding package, windshield radio antenna, foam sheet cushions, power steering, Deluxe steering wheel, Turbo-Hydramatic transmission and wheel opening covers. Standard tire size was L78-15. Upholstery was vinyl or cloth. The Oldsmobile Ninety-Eight set another record of 138,462 sold.
  The 1974 Ninety-Eight was now Oldsmobile's longest running series dating back to 1941, and was still popular. Five models were offered with the Regency Coupe taking the place of the Luxury Coupe. Standard equipment included: power brakes with front discs, cigarette lighter, electric clock, interior hood release, lamp package, m
caption: 1973 Oldsmobile Ninety-Eight 2-door hardtop
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